2. Instantly core a head of iceberg lettuce by slamming it down on a cutting board.

3. Pre-soak pasta and it will cook in about 60 seconds.

Sounds weird, but it works! Soak the pasta in water in a sealed bag for a couple hours or overnight. Then you can cook it super super fast in boiling water or just add it straight to a hot sauce in a pan and let it finish cooking there.